245335523503 has 4 divisors (see below), whose sum is σ = 280383455440. Its totient is φ = 210287591568.

The previous prime is 245335523479. The next prime is 245335523509. The reversal of 245335523503 is 305325533542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245335523503 - 2²⁵ = 245301969071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245335523509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17523965958 + ... + 17523965971.

It is an arithmetic number, because the mean of its divisors is an integer number (70095863860).

Almost surely, 2^245335523503 is an apocalyptic number.

245335523503 is a deficient number, since it is larger than the sum of its proper divisors (35047931937).

245335523503 is an equidigital number, since it uses as much as digits as its factorization.

245335523503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35047931936.

The product of its (nonzero) digits is 810000, while the sum is 40.

The spelling of 245335523503 in words is "two hundred forty-five billion, three hundred thirty-five million, five hundred twenty-three thousand, five hundred three".